Finding the Fourth Proportional to 4,520,647.20, 6,238,463.12 and 2,455,644
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Solution
The fourth proportional to 4,520,647.20, 6,238,463.12 and 2,455,644 is: 3,388,772.42
Step by Step Solution
- Step 1: Write the proportion equation
4,520,647.20 : 6,238,463.12 = 2,455,644 : x - Step 2: Convert to fraction form
4,520,647.20/6,238,463.12 = 2,455,644/x - Step 3: Cross multiply
4,520,647.20x = 6,238,463.12 × 2,455,644 - Step 4: Simplify right side
4,520,647.20x = 15,319,444,529,849.28 - Step 5: Solve for x
x = 15,319,444,529,849.28/4,520,647.20 - Step 6: Final answer
x = 3,388,772.42
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.